condition mean min max 12pM Fe 55.79795 46.5347 65.0612 58pM Fe 38.59135714285714 24.836314285714284 52.3464 233pM Fe 14.3414 14.3414 14.3414 1160pM Fe 19.033419642857144 14.477525 23.589314285714288 Dark 17.193517 14.8229 19.564134 Light 17.12914307692308 17.12914307692308 17.12914307692308 Phloroglucinol 18.5808 18.5808 18.5808